A Mexican fishing village faces fatal shark attacks on mollusk divers. Investigators arrive, capturing footage of a massive great white offshore. They discover the sharks may be using the village's waters as a nursery ground.
A group of hostile aliens crash land at the bottom of the ocean, and via mind control use sharks to terrorize a small town full of secrets in the hopes of completing their invasion mission. It's up to a disparate group of townspeople to sort it out, but in the end it's sharks versus aliens in a surprising climax.
In the Caribbean, a deep-sea camera captured footage of a 14-foot tiger shark suffering an assault by a large, unseen beast. It could be an unknown species of mega-shark or even a cannibalistic tiger shark. Dr. Austin Gallagher wants to find out.
